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[PATCH] x86-64: Don't assume APIC for boot processor has an APIC ID of zero

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Originally from Stuart Hayes.

When setting up the APIC for the Uniprocessor kernel don't
assume the CPU has an APIC ID of zero.

This fixes boot with the UP kernel on Dell PowerEdge 6800/6850 4way systems.

Cc: Stuart.Hayes@dell.com

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2005-09-12 18:49:24 +02:00 committed by Linus Torvalds
parent df0cc26b1b
commit 357e11d4cb
1 changed files with 1 additions and 1 deletions
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2
arch/x86_64/kernel/apic.c
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@ -1051,7 +1051,7 @@ int __init APIC_init_uniprocessor (void)
connect_bsp_APIC();
phys_cpu_present_map = physid_mask_of_physid(0);
phys_cpu_present_map = physid_mask_of_physid(boot_cpu_id);
apic_write_around(APIC_ID, boot_cpu_id);
setup_local_APIC();